76101407
Aug 1, 2000
Heavy-lift and ultra-heavy-lift hybrid air vehicles, namely, aircraft vehicles which derive more than half of their lift by helium buoyancy and the balance of their lift by aerodynamic shaping
VehiclesTransportation of people and transportation of goods by heavy lift and ultra-heavy-lift air vehicles, namely, aircraft vehicles which derive more than half of their lift by helium buoyancy and the balance of their lift by aerodynamic shaping
Transportation and storage